CISA guidelines deems firearm industries essential...
https://www.cisa.gov/sites/default/files/publications/CISA_Guidance_on_the_Essential_Critical_Infrastructure_Workforce_Version_2.0_Updated.pdf
Guidance on the Essential Critical Infrastructure Workforce:
Ensuring Community and National Resilience in COVID-19
Response
Version 2.0 (March 28, 2020)
...
LAW ENFORCEMENT, PUBLIC SAFETY, AND OTHER FIRST RESPONDERS
Public, private, and voluntary personnel (front line and management) in emergency management, law
enforcement, fire and rescue services, emergency medical services, and private security, to include public and
private hazardous material responders, air medical service providers (pilots and supporting technicians),
corrections, and search and rescue personnel.
911 call center employees and Public Safety Answering Points who cant perform their duties remotely.
Fusion Centeremployees.
Workers including contracted vendors -- who maintain, manufacture, or supply equipment and services
supporting law enforcement emergency service and response operations (to include electronic security and life
safety security personnel).
Workers supporting the manufacturing of safety equipment and uniforms for law enforcement, public safety
personnel, and first responder.
Workers supporting the operation of firearm or ammunition product manufacturers, retailers,importers,
distributors, and shooting ranges..